JP7121558B2 - 中心窩形成用バー - Google Patents
中心窩形成用バー Download PDFInfo
- Publication number
- JP7121558B2 JP7121558B2 JP2018120212A JP2018120212A JP7121558B2 JP 7121558 B2 JP7121558 B2 JP 7121558B2 JP 2018120212 A JP2018120212 A JP 2018120212A JP 2018120212 A JP2018120212 A JP 2018120212A JP 7121558 B2 JP7121558 B2 JP 7121558B2
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- JP
- Japan
- Prior art keywords
- fovea
- shank
- working
- tip
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
11 作業部
11a 先端突起部
11b 胴部
12 ストッパ部
15 シャンク
20 砥粒
30 患歯(臼歯)
31 支台歯
32 咬合面
32a 中心窩
32b 傾斜面
32c 隅角部
35 ガイドグルーブ
50 咬合面形成用バー
51 作業部
60 歯科用バー
61 作業部
65 シャンク
70 歯科用バー
71 作業部
Claims (2)
- 支台歯形成において使用される中心窩形成用バーであって、
回転器具に接続するためのシャンクと、前記シャンクの一端に設けられ表面全体に砥粒が付着している作業部と、前記作業部のシャンク側にストッパ部と、を有し、
前記作業部及び前記ストッパ部は、前記シャンクを回転軸とする回転体形状であって、
前記作業部は、先端側に球面の一部を有する先端突起部、及び、シャンク側に略円柱形状の胴部を有し、前記先端突起部と前記胴部は滑らかな曲面で繋がっている構成であり、
前記ストッパ部は略円板形状であって回転軸から最外縁までの距離が前記胴部より大きいことを特徴とする中心窩形成用バー。 - 前記作業部の先端突起部の先端から前記ストッパ部までの距離が、1.5mm以上で2.5mm以下であることを特徴とする請求項1に記載の中心窩形成用バー。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018120212A JP7121558B2 (ja) | 2018-06-25 | 2018-06-25 | 中心窩形成用バー |
PCT/JP2019/025101 WO2020004370A1 (ja) | 2018-06-25 | 2019-06-25 | 中心窩形成用バー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018120212A JP7121558B2 (ja) | 2018-06-25 | 2018-06-25 | 中心窩形成用バー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020000310A JP2020000310A (ja) | 2020-01-09 |
JP7121558B2 true JP7121558B2 (ja) | 2022-08-18 |
Family
ID=68986598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018120212A Active JP7121558B2 (ja) | 2018-06-25 | 2018-06-25 | 中心窩形成用バー |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7121558B2 (ja) |
WO (1) | WO2020004370A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2012268A1 (de) | 1970-03-14 | 1971-10-07 | Schnitzer, Johann Georg, Dr , 7742 St Georgen | Schleifwerkzeugsatz für zahnarztliche Schleifgerate |
FR2716795A1 (fr) | 1994-03-02 | 1995-09-08 | Millet Laurent | Fraises dentaires. |
US20070238068A1 (en) | 2006-04-06 | 2007-10-11 | Isaac Comfortes | Self-limiting depth gauge spherical dental burr and method of use |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5610973B2 (ja) * | 2010-10-20 | 2014-10-22 | 株式会社松風 | 曲面付与用歯科用研削バー |
-
2018
- 2018-06-25 JP JP2018120212A patent/JP7121558B2/ja active Active
-
2019
- 2019-06-25 WO PCT/JP2019/025101 patent/WO2020004370A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2012268A1 (de) | 1970-03-14 | 1971-10-07 | Schnitzer, Johann Georg, Dr , 7742 St Georgen | Schleifwerkzeugsatz für zahnarztliche Schleifgerate |
FR2716795A1 (fr) | 1994-03-02 | 1995-09-08 | Millet Laurent | Fraises dentaires. |
US20070238068A1 (en) | 2006-04-06 | 2007-10-11 | Isaac Comfortes | Self-limiting depth gauge spherical dental burr and method of use |
Also Published As
Publication number | Publication date |
---|---|
WO2020004370A1 (ja) | 2020-01-02 |
JP2020000310A (ja) | 2020-01-09 |
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